109378040413 has 2 divisors, whose sum is σ = 109378040414. Its totient is φ = 109378040412.

The previous prime is 109378040399. The next prime is 109378040461. The reversal of 109378040413 is 314040873901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75970243129 + 33407797284 = 275627^2 + 182778^2 .

It is a cyclic number.

It is not a de Polignac number, because 109378040413 - 2²⁵ = 109344485981 is a prime.

It is a super-2 number, since 2×109378040413² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109378040113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54689020206 + 54689020207.

It is an arithmetic number, because the mean of its divisors is an integer number (54689020207).

Almost surely, 2^109378040413 is an apocalyptic number.

It is an amenable number.

109378040413 is a deficient number, since it is larger than the sum of its proper divisors (1).

109378040413 is an equidigital number, since it uses as much as digits as its factorization.

109378040413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 109378040413 in words is "one hundred nine billion, three hundred seventy-eight million, forty thousand, four hundred thirteen".